检测认证人脉交流通讯录
- 一氧化碳检测管1DL CO Carbon monoxide，Measuring Range 0.4 to 400 ppm Sampling Hours 0.5 to 24 hours Detecting Limit 0.2 ppm (24 hours) Color Change Pale Yellow，2一氧化碳气体检测管价格
一氧化碳检测管1DL CO Carbon monoxide的详细介绍
一氧化碳检测管1DL CO Carbon monoxide Carbon monoxide No.1DL
CO
Performance
Measuring Range
0.4 to 400 ppm
Sampling Hours
0.5 to 24hours
Detecting Limit
0.2 ppm (24hours)
Color Change
Pale Yellow →Brown
Reaction Principle
CO +Na2Pd(SO3)2 → Pd + CO2 + SO2 + Na2SO3
Coefficient ofVariation 10%(for 10 to 200 ppm-hr)
ShelfLife 2 Year
Correctionsfor
temperature & humidity Unnecessary
Store the tubes inthe refrigerator to keep at 10ºC (50ºF) orbelow.
Possible coexisting substances and theirinterferences (NOTE)
Substance
Concentration
Interference
Change color by itself
Nitrogendioxide
5 ppm
Minus error
No discoloration byitself
Chlorine
- No effect
No discoloration byitself
Hydrogensulfide
- Plus error
Discolors reddishbrown
Calibration gasgeneration Diffusion tubemethod
TLV-TWA TLV-STEL Explosive range
25 ppm - 12.5to 74%
